In 2 randomized controlled trials conducted by Xu et al, 24,25 the administration of vitamin B12 in varying forms in patients with postherpetic neuralgia and acute ophthalmic herpetic neuralgia sustainably and significantly decreased their pain severity for up to 1 year compared with controls receiving intramuscular injection of vitamin B12 and lidocaine
It activates antioxidants and neutralizes ROS (reactive oxygen species) inside the cells
It did not establish an FDA-reviewed dose, treatment duration, route, contraindication list, interaction list, or monitoring plan
For sensitive assays, it may not be
FDA's stated reasons: Immunogenicity risk Could trigger immune reactions Impurities Compounded versions may be contaminated Lack of characterization Don't fully understand the molecules No human safety data Haven't been properly tested Reported adverse events Some have documented side effects The DOJ Prosecution: $1.79 Million Forfeiture In a landmark case, the Department of Justice prosecuted Tailor Made Compounding LLC for distributing unapproved peptides including BPC-157